CVE-2021-45985

2023-04-1009:15:07

Debian Security Bug Tracker

security-tracker.debian.org

cve-2021-45985

lua 5.4.3

erroneous finalizer

heap-based buffer over-read

unix

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

47.2%

JSON

In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read.

OSVersionArchitecturePackageVersionFilename
Debian12alllua5.1< 5.1.5-9lua5.1_5.1.5-9_all.deb
Debian11alllua5.1< 5.1.5-8.1lua5.1_5.1.5-8.1_all.deb
Debian999alllua5.1< 5.1.5-9lua5.1_5.1.5-9_all.deb
Debian13alllua5.1< 5.1.5-9lua5.1_5.1.5-9_all.deb
Debian12alllua5.2< 5.2.4-3lua5.2_5.2.4-3_all.deb
Debian11alllua5.2< 5.2.4-1.1lua5.2_5.2.4-1.1_all.deb
Debian999alllua5.2< 5.2.4-3lua5.2_5.2.4-3_all.deb
Debian13alllua5.2< 5.2.4-3lua5.2_5.2.4-3_all.deb
Debian12alllua5.3< 5.3.6-2lua5.3_5.3.6-2_all.deb
Debian11alllua5.3< 5.3.3-1.1+deb11u1lua5.3_5.3.3-1.1+deb11u1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	lua5.1	< 5.1.5-9	lua5.1_5.1.5-9_all.deb
Debian	11	all	lua5.1	< 5.1.5-8.1	lua5.1_5.1.5-8.1_all.deb
Debian	999	all	lua5.1	< 5.1.5-9	lua5.1_5.1.5-9_all.deb
Debian	13	all	lua5.1	< 5.1.5-9	lua5.1_5.1.5-9_all.deb
Debian	12	all	lua5.2	< 5.2.4-3	lua5.2_5.2.4-3_all.deb
Debian	11	all	lua5.2	< 5.2.4-1.1	lua5.2_5.2.4-1.1_all.deb
Debian	999	all	lua5.2	< 5.2.4-3	lua5.2_5.2.4-3_all.deb
Debian	13	all	lua5.2	< 5.2.4-3	lua5.2_5.2.4-3_all.deb
Debian	12	all	lua5.3	< 5.3.6-2	lua5.3_5.3.6-2_all.deb
Debian	11	all	lua5.3	< 5.3.3-1.1+deb11u1	lua5.3_5.3.3-1.1+deb11u1_all.deb